1. From the Department of Neurology (E.J., H.C.), CHU Lariboisière, Assistance Publique des Hôpitaux de Paris, INSERM UMR 740 and Université Paris VII, France; Neurospin (E.J., C.P., J.-F.M., D.L.B.), I2BM, CEA, Saclay, France; and the Department of Neuropathology (F.G., C.P.), CHU Lariboisière, Assistance Publique des Hôpitaux de Paris and Université Paris VII, France.